Changelog: replace <next> by 4.0

Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>

Changelog

@@ -1,7 +1,7 @@
 Entries are sorted chronologically from oldest to youngest within each release,
 releases are sorted from youngest to oldest.
 
-version <next>:
+version 4.0:
 - Bitstream filters for editing metadata in H.264, HEVC and MPEG-2 streams
 - Dropped support for OpenJPEG versions 2.0 and below. Using OpenJPEG now
   requires 2.1 (or later) and pkg-config.

RELEASE

@@ -1 +1 @@
-3.4.git
+4.0

RELEASE_NOTES

@@ -0,0 +1,15 @@
+
+              ┌───────────────────────────────────┐
+              │ RELEASE NOTES for FFmpeg 4.0 "Wu" │
+              └───────────────────────────────────┘
+
+   The FFmpeg Project proudly presents FFmpeg 4.0 "Wu", about 6
+   months after the release of FFmpeg 3.4.
+
+   A complete Changelog is available at the root of the project, and the
+   complete Git history on https://git.ffmpeg.org/gitweb/ffmpeg.git
+
+   We hope you will like this release as much as we enjoyed working on it, and
+   as usual, if you have any questions about it, or any FFmpeg related topic,
+   feel free to join us on the #ffmpeg IRC channel (on irc.freenode.net) or ask
+   on the mailing-lists.

configure

@@ -2372,6 +2372,7 @@ CMDLINE_SET="
     malloc_prefix
     nm
     optflags
+    nvcc
     nvccflags
     pkg_config
     pkg_config_flags
@@ -4410,7 +4411,7 @@ probe_cc(){
         _flags_filter=msvc_flags
         _ld_lib='lib%.a'
         _ld_path='-libpath:'
-    elif $_cc -nologo- 2>&1 | grep -q Microsoft || $_cc -v 2>&1 | grep -q clang && $_cc -? > /dev/null 2>&1; then
+    elif $_cc -nologo- 2>&1 | grep -q Microsoft || { $_cc -v 2>&1 | grep -q clang && $_cc -? > /dev/null 2>&1; }; then
         _type=msvc
         _ident=$($_cc 2>&1 | head -n1 | tr -d '\r')
         _DEPCMD='$(DEP$(1)) $(DEP$(1)FLAGS) $($(1)DEP_FLAGS) $< 2>&1 | awk '\''/including/ { sub(/^.*file: */, ""); gsub(/\\/, "/"); if (!match($$0, / /)) print "$@:", $$0 }'\'' > $(@:.o=.d)'
@@ -5828,7 +5829,8 @@ check_header asm/types.h
 check_builtin stdatomic stdatomic.h "atomic_int foo, bar = ATOMIC_VAR_INIT(-1); atomic_store(&foo, 0); foo += bar"
 
 check_lib advapi32 "windows.h"            RegCloseKey          -ladvapi32
-check_lib bcrypt   "windows.h bcrypt.h"   BCryptGenRandom      -lbcrypt
+check_lib bcrypt   "windows.h bcrypt.h"   BCryptGenRandom      -lbcrypt &&
+    check_cpp_condition bcrypt bcrypt.h "defined BCRYPT_RNG_ALGORITHM"
 check_lib ole32    "windows.h"            CoTaskMemFree        -lole32
 check_lib shell32  "windows.h shellapi.h" CommandLineToArgvW   -lshell32
 check_lib psapi    "windows.h psapi.h"    GetProcessMemoryInfo -lpsapi

doc/APIchanges

@@ -889,7 +889,7 @@ API changes, most recent first:
   Add av_opt_get_dict_val/set_dict_val with AV_OPT_TYPE_DICT to support
   dictionary types being set as options.
 
-2014-08-13 - afbd4b8 - lavf 56.01.0 - avformat.h
+2014-08-13 - afbd4b7e09 - lavf 56.01.0 - avformat.h
   Add AVFormatContext.event_flags and AVStream.event_flags for signaling to
   the user when events happen in the file/stream.
 
@@ -906,7 +906,7 @@ API changes, most recent first:
 2014-08-08 - 5c3c671 - lavf 55.53.100 - avio.h
   Add avio_feof() and deprecate url_feof().
 
-2014-08-07 - bb78903 - lsws 2.1.3 - swscale.h
+2014-08-07 - bb789016d4 - lsws 2.1.3 - swscale.h
   sws_getContext is not going to be removed in the future.
 
 2014-08-07 - a561662 / ad1ee5f - lavc 55.73.101 / 55.57.3 - avcodec.h

doc/Doxyfile

@@ -38,7 +38,7 @@ PROJECT_NAME           = FFmpeg
 # could be handy for archiving the generated documentation or if some version
 # control system is used.
 
-PROJECT_NUMBER         =
+PROJECT_NUMBER         = 4.0
 
 # Using the PROJECT_BRIEF tag one can provide an optional one line description
 # for a project that appears at the top of each page and should give viewer a

fftools/ffprobe.c

@@ -2521,7 +2521,7 @@ static int show_stream(WriterContext *w, AVFormatContext *fmt_ctx, int stream_id
 #endif
         print_int("has_b_frames", par->video_delay);
         sar = av_guess_sample_aspect_ratio(fmt_ctx, stream, NULL);
-        if (sar.den) {
+        if (sar.num) {
             print_q("sample_aspect_ratio", sar, ':');
             av_reduce(&dar.num, &dar.den,
                       par->width  * sar.num,

libavcodec/cinepak.c

@@ -315,14 +315,11 @@ static int cinepak_decode_strip (CinepakContext *s,
     return AVERROR_INVALIDDATA;
 }
 
-static int cinepak_decode (CinepakContext *s)
+static int cinepak_predecode_check (CinepakContext *s)
 {
-    const uint8_t  *eod = (s->data + s->size);
-    int           i, result, strip_size, frame_flags, num_strips;
-    int           y0 = 0;
+    int           num_strips;
     int           encoded_buf_size;
 
-    frame_flags = s->data[0];
     num_strips  = AV_RB16 (&s->data[8]);
     encoded_buf_size = AV_RB24(&s->data[1]);
 
@@ -353,6 +350,21 @@ static int cinepak_decode (CinepakContext *s)
             s->sega_film_skip_bytes = 0;
     }
 
+    if (s->size < 10 + s->sega_film_skip_bytes + num_strips * 12)
+        return AVERROR_INVALIDDATA;
+
+    return 0;
+}
+
+static int cinepak_decode (CinepakContext *s)
+{
+    const uint8_t  *eod = (s->data + s->size);
+    int           i, result, strip_size, frame_flags, num_strips;
+    int           y0 = 0;
+
+    frame_flags = s->data[0];
+    num_strips  = AV_RB16 (&s->data[8]);
+
     s->data += 10 + s->sega_film_skip_bytes;
 
     num_strips = FFMIN(num_strips, MAX_STRIPS);
@@ -432,6 +444,7 @@ static int cinepak_decode_frame(AVCodecContext *avctx,
     const uint8_t *buf = avpkt->data;
     int ret = 0, buf_size = avpkt->size;
     CinepakContext *s = avctx->priv_data;
+    int num_strips;
 
     s->data = buf;
     s->size = buf_size;
@@ -439,6 +452,17 @@ static int cinepak_decode_frame(AVCodecContext *avctx,
     if (s->size < 10)
         return AVERROR_INVALIDDATA;
 
+    num_strips = AV_RB16 (&s->data[8]);
+
+    //Empty frame, do not waste time
+    if (!num_strips && (!s->palette_video || !av_packet_get_side_data(avpkt, AV_PKT_DATA_PALETTE, NULL)))
+        return buf_size;
+
+    if ((ret = cinepak_predecode_check(s)) < 0) {
+        av_log(avctx, AV_LOG_ERROR, "cinepak_predecode_check failed\n");
+        return ret;
+    }
+
     if ((ret = ff_reget_buffer(avctx, s->frame)) < 0)
         return ret;
 

libavcodec/dfa.c

@@ -41,7 +41,7 @@ static av_cold int dfa_decode_init(AVCodecContext *avctx)
 
     avctx->pix_fmt = AV_PIX_FMT_PAL8;
 
-    if (!avctx->width || !avctx->height)
+    if (!avctx->width || !avctx->height || FFMAX(avctx->width, avctx->height) >= (1<<16))
         return AVERROR_INVALIDDATA;
 
     av_assert0(av_image_check_size(avctx->width, avctx->height, 0, avctx) >= 0);

libavcodec/dsicinvideo.c

@@ -158,6 +158,9 @@ static int cin_decode_lzss(const unsigned char *src, int src_size,
         }
     }
 
+    if (dst_end - dst > dst_size - dst_size/10)
+        return AVERROR_INVALIDDATA;
+
     return 0;
 }
 
@@ -184,6 +187,10 @@ static int cin_decode_rle(const unsigned char *src, int src_size,
         }
         dst += len;
     }
+
+    if (dst_end - dst > dst_size - dst_size/10)
+        return AVERROR_INVALIDDATA;
+
     return 0;
 }
 
@@ -226,27 +233,35 @@ static int cinvideo_decode_frame(AVCodecContext *avctx,
      * surface.width = surface.pitch */
     switch (bitmap_frame_type) {
     case 9:
-        cin_decode_rle(buf, bitmap_frame_size,
+        res =  cin_decode_rle(buf, bitmap_frame_size,
                        cin->bitmap_table[CIN_CUR_BMP], cin->bitmap_size);
+        if (res < 0)
+            return res;
         break;
     case 34:
-        cin_decode_rle(buf, bitmap_frame_size,
+        res =  cin_decode_rle(buf, bitmap_frame_size,
                        cin->bitmap_table[CIN_CUR_BMP], cin->bitmap_size);
+        if (res < 0)
+            return res;
         cin_apply_delta_data(cin->bitmap_table[CIN_PRE_BMP],
                              cin->bitmap_table[CIN_CUR_BMP], cin->bitmap_size);
         break;
     case 35:
         bitmap_frame_size = cin_decode_huffman(buf, bitmap_frame_size,
                            cin->bitmap_table[CIN_INT_BMP], cin->bitmap_size);
-        cin_decode_rle(cin->bitmap_table[CIN_INT_BMP], bitmap_frame_size,
+        res =  cin_decode_rle(cin->bitmap_table[CIN_INT_BMP], bitmap_frame_size,
                        cin->bitmap_table[CIN_CUR_BMP], cin->bitmap_size);
+        if (res < 0)
+            return res;
         break;
     case 36:
         bitmap_frame_size = cin_decode_huffman(buf, bitmap_frame_size,
                                                cin->bitmap_table[CIN_INT_BMP],
                                                cin->bitmap_size);
-        cin_decode_rle(cin->bitmap_table[CIN_INT_BMP], bitmap_frame_size,
+        res = cin_decode_rle(cin->bitmap_table[CIN_INT_BMP], bitmap_frame_size,
                        cin->bitmap_table[CIN_CUR_BMP], cin->bitmap_size);
+        if (res < 0)
+            return res;
         cin_apply_delta_data(cin->bitmap_table[CIN_PRE_BMP],
                              cin->bitmap_table[CIN_CUR_BMP], cin->bitmap_size);
         break;

libavcodec/dump_extradata_bsf.c

@@ -93,7 +93,7 @@ static const AVClass dump_extradata_class = {
     .class_name = "dump_extradata bsf",
     .item_name  = av_default_item_name,
     .option     = options,
-    .version    = LIBAVUTIL_VERSION_MAJOR,
+    .version    = LIBAVUTIL_VERSION_INT,
 };
 
 const AVBitStreamFilter ff_dump_extradata_bsf = {

libavcodec/hapqa_extract_bsf.c

@@ -122,7 +122,7 @@ static const AVClass hapqa_extract_class = {
     .class_name = "hapqa_extract_bsf",
     .item_name  = av_default_item_name,
     .option     = options,
-    .version    = LIBAVUTIL_VERSION_MAJOR,
+    .version    = LIBAVUTIL_VERSION_INT,
 };
 
 const AVBitStreamFilter ff_hapqa_extract_bsf = {

libavcodec/mediacodec_wrapper.c

@@ -156,7 +156,7 @@ static const struct FFJniField jni_amediaformat_mapping[] = {
 static const AVClass amediaformat_class = {
     .class_name = "amediaformat",
     .item_name  = av_default_item_name,
-    .version    = LIBAVCODEC_VERSION_INT,
+    .version    = LIBAVUTIL_VERSION_INT,
 };
 
 struct FFAMediaFormat {
@@ -268,7 +268,7 @@ static const struct FFJniField jni_amediacodec_mapping[] = {
 static const AVClass amediacodec_class = {
     .class_name = "amediacodec",
     .item_name  = av_default_item_name,
-    .version    = LIBAVCODEC_VERSION_INT,
+    .version    = LIBAVUTIL_VERSION_INT,
 };
 
 struct FFAMediaCodec {

libavcodec/mediacodecdec_common.c

@@ -385,10 +385,10 @@ static int mediacodec_dec_parse_format(AVCodecContext *avctx, MediaCodecDecConte
     AMEDIAFORMAT_GET_INT32(s->width,  "width", 1);
     AMEDIAFORMAT_GET_INT32(s->height, "height", 1);
 
-    AMEDIAFORMAT_GET_INT32(s->stride, "stride", 1);
+    AMEDIAFORMAT_GET_INT32(s->stride, "stride", 0);
     s->stride = s->stride > 0 ? s->stride : s->width;
 
-    AMEDIAFORMAT_GET_INT32(s->slice_height, "slice-height", 1);
+    AMEDIAFORMAT_GET_INT32(s->slice_height, "slice-height", 0);
     s->slice_height = s->slice_height > 0 ? s->slice_height : s->height;
 
     if (strstr(s->codec_name, "OMX.Nvidia.")) {

libavcodec/opusenc_psy.c

@@ -399,13 +399,12 @@ static void celt_search_for_intensity(OpusPsyContext *s, CeltFrame *f)
 {
     int i, best_band = CELT_MAX_BANDS - 1;
     float dist, best_dist = FLT_MAX;
+    /* TODO: fix, make some heuristic up here using the lambda value */
+    float end_band = 0;
 
     if (s->avctx->channels < 2)
         return;
 
-    /* TODO: fix, make some heuristic up here using the lambda value */
-    float end_band = 0;
-
     for (i = f->end_band; i >= end_band; i--) {
         f->intensity_stereo = i;
         bands_dist(s, f, &dist);

libavcodec/sbc.c

@@ -52,7 +52,7 @@ static const int sbc_offset8[4][8] = {
 /*
  * Calculates the CRC-8 of the first len bits in data
  */
-uint8_t sbc_crc8(const AVCRC *ctx, const uint8_t *data, size_t len)
+uint8_t ff_sbc_crc8(const AVCRC *ctx, const uint8_t *data, size_t len)
 {
     size_t byte_length = len >> 3;
     int bit_length = len & 7;

libavcodec/sbc.h

@@ -112,7 +112,7 @@ struct sbc_frame {
     const AVCRC *crc_ctx;
 };
 
-uint8_t sbc_crc8(const AVCRC *crc_ctx, const uint8_t *data, size_t len);
+uint8_t ff_sbc_crc8(const AVCRC *crc_ctx, const uint8_t *data, size_t len);
 void ff_sbc_calculate_bits(const struct sbc_frame *frame, int (*bits)[8]);
 
 #endif /* AVCODEC_SBC_H */

libavcodec/sbcdec.c

@@ -147,7 +147,7 @@ static int sbc_unpack_frame(const uint8_t *data, struct sbc_frame *frame,
         }
     }
 
-    if (data[3] != sbc_crc8(frame->crc_ctx, crc_header, crc_pos))
+    if (data[3] != ff_sbc_crc8(frame->crc_ctx, crc_header, crc_pos))
         return -3;
 
     ff_sbc_calculate_bits(frame, bits);

libavcodec/sbcenc.c

@@ -156,7 +156,7 @@ static size_t sbc_pack_frame(AVPacket *avpkt, struct sbc_frame *frame,
     if (crc_pos % 8)
         crc_header[crc_pos >> 3] <<= 8 - (crc_pos % 8);
 
-    avpkt->data[3] = sbc_crc8(frame->crc_ctx, crc_header, crc_pos);
+    avpkt->data[3] = ff_sbc_crc8(frame->crc_ctx, crc_header, crc_pos);
 
     ff_sbc_calculate_bits(frame, bits);
 

libavcodec/sheervideodata.h

@@ -22,7 +22,7 @@
 #ifndef AVCODEC_SHEERVIDEODATA_H
 #define AVCODEC_SHEERVIDEODATA_H
 
-#include <libavutil/common.h>
+#include "libavutil/common.h"
 
 static const uint8_t l_r_rgb[256] = {
      3,  3,  4,  4,  5,  5,  5,  6,  6,  6,  7,  7,  7,  7,  7,  8,

libavdevice/android_camera.c

@@ -855,7 +855,7 @@ static const AVClass android_camera_class = {
     .class_name = "android_camera indev",
     .item_name  = av_default_item_name,
     .option     = options,
-    .version    = LIBAVDEVICE_VERSION_INT,
+    .version    = LIBAVUTIL_VERSION_INT,
     .category   = AV_CLASS_CATEGORY_DEVICE_VIDEO_INPUT,
 };
 

libavdevice/iec61883.c

@@ -118,7 +118,7 @@ static int iec61883_callback(unsigned char *data, int length,
         goto exit;
     }
 
-    packet->buf = av_malloc(length);
+    packet->buf = av_malloc(length + AV_INPUT_BUFFER_PADDING_SIZE);
     if (!packet->buf) {
         av_free(packet);
         ret = -1;
@@ -127,6 +127,7 @@ static int iec61883_callback(unsigned char *data, int length,
     packet->len = length;
 
     memcpy(packet->buf, data, length);
+    memset(packet->buf + length, 0, AV_INPUT_BUFFER_PADDING_SIZE);
 
     if (dv->queue_first) {
         dv->queue_last->next = packet;
@@ -200,13 +201,21 @@ static int iec61883_parse_queue_dv(struct iec61883_data *dv, AVPacket *pkt)
     size = avpriv_dv_produce_packet(dv->dv_demux, pkt,
                                     packet->buf, packet->len, -1);
     dv->queue_first = packet->next;
+    if (size < 0)
+        av_free(packet->buf);
     av_free(packet);
     dv->packets--;
 
-    if (size > 0)
-        return size;
-
+    if (size < 0)
         return -1;
+
+    if (av_packet_from_data(pkt, pkt->data, pkt->size) < 0) {
+        av_freep(&pkt->data);
+        av_packet_unref(pkt);
+        return -1;
+    }
+
+    return size;
 }
 
 static int iec61883_parse_queue_hdv(struct iec61883_data *dv, AVPacket *pkt)
@@ -454,6 +463,7 @@ static int iec61883_close(AVFormatContext *context)
     } else {
         iec61883_dv_fb_stop(dv->iec61883_dv);
         iec61883_dv_fb_close(dv->iec61883_dv);
+        av_freep(&dv->dv_demux);
     }
     while (dv->queue_first) {
         DVPacket *packet = dv->queue_first;

libavformat/flacenc.c

@@ -21,10 +21,13 @@
 
 #include "libavutil/channel_layout.h"
 #include "libavutil/opt.h"
+#include "libavutil/pixdesc.h"
 #include "libavcodec/flac.h"
 #include "avformat.h"
 #include "avio_internal.h"
 #include "flacenc.h"
+#include "id3v2.h"
+#include "internal.h"
 #include "vorbiscomment.h"
 #include "libavcodec/bytestream.h"
 
@@ -33,8 +36,15 @@ typedef struct FlacMuxerContext {
     const AVClass *class;
     int write_header;
 
+    int audio_stream_idx;
+    int waiting_pics;
+    /* audio packets are queued here until we get all the attached pictures */
+    AVPacketList *queue, *queue_end;
+
     /* updated streaminfo sent by the encoder at the end */
     uint8_t *streaminfo;
+
+    unsigned attached_types;
 } FlacMuxerContext;
 
 static int flac_write_block_padding(AVIOContext *pb, unsigned int n_padding_bytes,
@@ -74,36 +84,160 @@ static int flac_write_block_comment(AVIOContext *pb, AVDictionary **m,
     return 0;
 }
 
-static int flac_write_header(struct AVFormatContext *s)
+static int flac_write_picture(struct AVFormatContext *s, AVPacket *pkt)
 {
-    int ret;
-    int padding = s->metadata_header_padding;
-    AVCodecParameters *par = s->streams[0]->codecpar;
     FlacMuxerContext *c = s->priv_data;
+    AVIOContext *pb = s->pb;
+    const AVPixFmtDescriptor *pixdesc;
+    const CodecMime *mime = ff_id3v2_mime_tags;
+    AVDictionaryEntry *e;
+    const char *mimetype = NULL, *desc = "";
+    const AVStream *st = s->streams[pkt->stream_index];
+    int i, mimelen, desclen, type = 0;
 
-    if (!c->write_header)
+    if (!pkt->data)
         return 0;
 
-    if (s->nb_streams > 1) {
-        av_log(s, AV_LOG_ERROR, "only one stream is supported\n");
+    while (mime->id != AV_CODEC_ID_NONE) {
+        if (mime->id == st->codecpar->codec_id) {
+            mimetype = mime->str;
+            break;
+        }
+        mime++;
+    }
+    if (!mimetype) {
+        av_log(s, AV_LOG_ERROR, "No mimetype is known for stream %d, cannot "
+               "write an attached picture.\n", st->index);
         return AVERROR(EINVAL);
     }
-    if (par->codec_id != AV_CODEC_ID_FLAC) {
-        av_log(s, AV_LOG_ERROR, "unsupported codec\n");
+    mimelen = strlen(mimetype);
+
+    /* get the picture type */
+    e = av_dict_get(st->metadata, "comment", NULL, 0);
+    for (i = 0; e && i < FF_ARRAY_ELEMS(ff_id3v2_picture_types); i++) {
+        if (!av_strcasecmp(e->value, ff_id3v2_picture_types[i])) {
+            type = i;
+            break;
+        }
+    }
+
+    if ((c->attached_types & (1 << type)) & 0x6) {
+        av_log(s, AV_LOG_ERROR, "Duplicate attachment for type '%s'\n", ff_id3v2_picture_types[type]);
         return AVERROR(EINVAL);
     }
 
+    if (type == 1 && (st->codecpar->codec_id != AV_CODEC_ID_PNG ||
+                      st->codecpar->width != 32 ||
+                      st->codecpar->height != 32)) {
+        av_log(s, AV_LOG_ERROR, "File icon attachment must be a 32x32 PNG");
+        return AVERROR(EINVAL);
+    }
+
+    c->attached_types |= (1 << type);
+
+    /* get the description */
+    if ((e = av_dict_get(st->metadata, "title", NULL, 0)))
+        desc = e->value;
+    desclen = strlen(desc);
+
+    avio_w8(pb, 0x06);
+    avio_wb24(pb, 4 + 4 + mimelen + 4 + desclen + 4 + 4 + 4 + 4 + 4 + pkt->size);
+
+    avio_wb32(pb, type);
+
+    avio_wb32(pb, mimelen);
+    avio_write(pb, mimetype, mimelen);
+
+    avio_wb32(pb, desclen);
+    avio_write(pb, desc, desclen);
+
+    avio_wb32(pb, st->codecpar->width);
+    avio_wb32(pb, st->codecpar->height);
+    if ((pixdesc = av_pix_fmt_desc_get(st->codecpar->format)))
+        avio_wb32(pb, av_get_bits_per_pixel(pixdesc));
+    else
+        avio_wb32(pb, 0);
+    avio_wb32(pb, 0);
+
+    avio_wb32(pb, pkt->size);
+    avio_write(pb, pkt->data, pkt->size);
+    return 0;
+}
+
+static int flac_finish_header(struct AVFormatContext *s)
+{
+    int i, ret, padding = s->metadata_header_padding;
     if (padding < 0)
         padding = 8192;
     /* The FLAC specification states that 24 bits are used to represent the
      * size of a metadata block so we must clip this value to 2^24-1. */
     padding = av_clip_uintp2(padding, 24);
 
-    ret = ff_flac_write_header(s->pb, par->extradata,
-                               par->extradata_size, 0);
+    for (i = 0; i < s->nb_streams; i++) {
+        AVStream *st = s->streams[i];
+        AVPacket *pkt = st->priv_data;
+        if (!pkt)
+            continue;
+        ret = flac_write_picture(s, pkt);
+        av_packet_unref(pkt);
+        if (ret < 0 && (s->error_recognition & AV_EF_EXPLODE))
+            return ret;
+    }
+
+    ret = flac_write_block_comment(s->pb, &s->metadata, !padding,
+                                   s->flags & AVFMT_FLAG_BITEXACT);
     if (ret)
         return ret;
 
+    /* The command line flac encoder defaults to placing a seekpoint
+     * every 10s.  So one might add padding to allow that later
+     * but there seems to be no simple way to get the duration here.
+     * So just add the amount requested by the user. */
+    if (padding)
+        flac_write_block_padding(s->pb, padding, 1);
+
+    return 0;
+}
+
+static int flac_init(struct AVFormatContext *s)
+{
+    AVCodecParameters *par;
+    FlacMuxerContext *c = s->priv_data;
+    int i;
+
+    c->audio_stream_idx = -1;
+    for (i = 0; i < s->nb_streams; i++) {
+        AVStream *st = s->streams[i];
+        if (st->codecpar->codec_type == AVMEDIA_TYPE_AUDIO) {
+            if (c->audio_stream_idx >= 0 || st->codecpar->codec_id != AV_CODEC_ID_FLAC) {
+                av_log(s, AV_LOG_ERROR, "Invalid audio stream. Exactly one FLAC "
+                       "audio stream is required.\n");
+                return AVERROR(EINVAL);
+            }
+            par = s->streams[i]->codecpar;
+            c->audio_stream_idx = i;
+        } else if (st->codecpar->codec_type == AVMEDIA_TYPE_VIDEO) {
+            if (!(st->disposition & AV_DISPOSITION_ATTACHED_PIC)) {
+                av_log(s, AV_LOG_WARNING, "Video stream #%d is not an attached picture. Ignoring\n", i);
+                continue;
+            } else if (st->codecpar->codec_id == AV_CODEC_ID_GIF) {
+                av_log(s, AV_LOG_ERROR, "GIF image support is not implemented.\n");
+                return AVERROR_PATCHWELCOME;
+            } else if (!c->write_header) {
+                av_log(s, AV_LOG_ERROR, "Can't write attached pictures without a header.\n");
+                return AVERROR(EINVAL);
+            }
+            c->waiting_pics++;
+        } else {
+            av_log(s, AV_LOG_ERROR, "Only audio streams and pictures are allowed in FLAC.\n");
+            return AVERROR(EINVAL);
+        }
+    }
+    if (c->audio_stream_idx < 0) {
+        av_log(s, AV_LOG_ERROR, "No audio stream present.\n");
+        return AVERROR(EINVAL);
+    }
+
     /* add the channel layout tag */
     if (par->channel_layout &&
         !(par->channel_layout & ~0x3ffffULL) &&
@@ -121,28 +255,84 @@ static int flac_write_header(struct AVFormatContext *s)
         }
     }
 
-    ret = flac_write_block_comment(s->pb, &s->metadata, !padding,
-                                   s->flags & AVFMT_FLAG_BITEXACT);
-    if (ret)
+    return 0;
+}
+
+static int flac_write_header(struct AVFormatContext *s)
+{
+    FlacMuxerContext *c = s->priv_data;
+    AVCodecParameters *par = s->streams[c->audio_stream_idx]->codecpar;
+    int ret;
+
+    if (!c->write_header)
+        return 0;
+
+    ret = ff_flac_write_header(s->pb, par->extradata,
+                               par->extradata_size, 0);
+    if (ret < 0)
         return ret;
 
-    /* The command line flac encoder defaults to placing a seekpoint
-     * every 10s.  So one might add padding to allow that later
-     * but there seems to be no simple way to get the duration here.
-     * So just add the amount requested by the user. */
-    if (padding)
-        flac_write_block_padding(s->pb, padding, 1);
+    if (!c->waiting_pics)
+        ret = flac_finish_header(s);
 
     return ret;
 }
 
+static int flac_write_audio_packet(struct AVFormatContext *s, AVPacket *pkt)
+{
+    FlacMuxerContext *c = s->priv_data;
+    uint8_t *streaminfo;
+    int streaminfo_size;
+
+    /* check for updated streaminfo */
+    streaminfo = av_packet_get_side_data(pkt, AV_PKT_DATA_NEW_EXTRADATA,
+                                         &streaminfo_size);
+    if (streaminfo && streaminfo_size == FLAC_STREAMINFO_SIZE) {
+        av_freep(&c->streaminfo);
+
+        c->streaminfo = av_malloc(FLAC_STREAMINFO_SIZE);
+        if (!c->streaminfo)
+            return AVERROR(ENOMEM);
+        memcpy(c->streaminfo, streaminfo, FLAC_STREAMINFO_SIZE);
+    }
+
+    if (pkt->size)
+        avio_write(s->pb, pkt->data, pkt->size);
+    return 0;
+}
+
+static int flac_queue_flush(AVFormatContext *s)
+{
+    FlacMuxerContext *c = s->priv_data;
+    AVPacket pkt;
+    int ret, write = 1;
+
+    ret = flac_finish_header(s);
+    if (ret < 0)
+        write = 0;
+
+    while (c->queue) {
+        ff_packet_list_get(&c->queue, &c->queue_end, &pkt);
+        if (write && (ret = flac_write_audio_packet(s, &pkt)) < 0)
+            write = 0;
+        av_packet_unref(&pkt);
+    }
+    return ret;
+}
+
 static int flac_write_trailer(struct AVFormatContext *s)
 {
     AVIOContext *pb = s->pb;
     int64_t file_size;
     FlacMuxerContext *c = s->priv_data;
     uint8_t *streaminfo = c->streaminfo ? c->streaminfo :
-                                          s->streams[0]->codecpar->extradata;
+                                          s->streams[c->audio_stream_idx]->codecpar->extradata;
+
+    if (c->waiting_pics) {
+        av_log(s, AV_LOG_WARNING, "No packets were sent for some of the "
+               "attached pictures.\n");
+        flac_queue_flush(s);
+    }
 
     if (!c->write_header || !streaminfo)
         return 0;
@@ -166,23 +356,48 @@ static int flac_write_trailer(struct AVFormatContext *s)
 static int flac_write_packet(struct AVFormatContext *s, AVPacket *pkt)
 {
     FlacMuxerContext *c = s->priv_data;
-    uint8_t *streaminfo;
-    int streaminfo_size;
+    int ret;
 
-    /* check for updated streaminfo */
-    streaminfo = av_packet_get_side_data(pkt, AV_PKT_DATA_NEW_EXTRADATA,
-                                         &streaminfo_size);
-    if (streaminfo && streaminfo_size == FLAC_STREAMINFO_SIZE) {
-        av_freep(&c->streaminfo);
+    if (pkt->stream_index == c->audio_stream_idx) {
+        if (c->waiting_pics) {
+            /* buffer audio packets until we get all the pictures */
+            ret = ff_packet_list_put(&c->queue, &c->queue_end, pkt, FF_PACKETLIST_FLAG_REF_PACKET);
+            if (ret < 0) {
+                av_log(s, AV_LOG_ERROR, "Out of memory in packet queue; skipping attached pictures\n");
+                c->waiting_pics = 0;
+                ret = flac_queue_flush(s);
+                if (ret < 0)
+                    return ret;
+                return flac_write_audio_packet(s, pkt);
+            }
+        } else
+            return flac_write_audio_packet(s, pkt);
+    } else {
+        AVStream *st = s->streams[pkt->stream_index];
 
-        c->streaminfo = av_malloc(FLAC_STREAMINFO_SIZE);
-        if (!c->streaminfo)
-            return AVERROR(ENOMEM);
-        memcpy(c->streaminfo, streaminfo, FLAC_STREAMINFO_SIZE);
+        if (!c->waiting_pics ||
+            !(st->disposition & AV_DISPOSITION_ATTACHED_PIC))
+            return 0;
+
+        /* warn only once for each stream */
+        if (st->nb_frames == 1) {
+            av_log(s, AV_LOG_WARNING, "Got more than one picture in stream %d,"
+                   " ignoring.\n", pkt->stream_index);
+        }
+        if (st->nb_frames >= 1)
+            return 0;
+
+        st->priv_data = av_packet_clone(pkt);
+        if (!st->priv_data)
+            av_log(s, AV_LOG_ERROR, "Out of memory queueing an attached picture; skipping\n");
+        c->waiting_pics--;
+
+        /* flush the buffered audio packets */
+        if (!c->waiting_pics &&
+            (ret = flac_queue_flush(s)) < 0)
+            return ret;
     }
 
-    if (pkt->size)
-        avio_write(s->pb, pkt->data, pkt->size);
     return 0;
 }
 
@@ -205,7 +420,8 @@ AVOutputFormat ff_flac_muxer = {
     .mime_type         = "audio/x-flac",
     .extensions        = "flac",
     .audio_codec       = AV_CODEC_ID_FLAC,
-    .video_codec       = AV_CODEC_ID_NONE,
+    .video_codec       = AV_CODEC_ID_PNG,
+    .init              = flac_init,
     .write_header      = flac_write_header,
     .write_packet      = flac_write_packet,
     .write_trailer     = flac_write_trailer,

libavformat/http.c

@@ -576,7 +576,11 @@ static int http_accept(URLContext *s, URLContext **c)
         goto fail;
     cc->hd = cl;
     cc->is_multi_client = 1;
+    return 0;
 fail:
+    if (c) {
+        ffurl_closep(c);
+    }
     return ret;
 }
 

libavformat/movenc.c

@@ -142,7 +142,9 @@ static int co64_required(const MOVTrack *track)
 
 static int rtp_hinting_needed(const AVStream *st)
 {
-    /* Add hint tracks for each audio and video stream */
+    /* Add hint tracks for each real audio and video stream */
+    if (st->disposition & AV_DISPOSITION_ATTACHED_PIC)
+        return 0;
     return st->codecpar->codec_type == AVMEDIA_TYPE_VIDEO ||
            st->codecpar->codec_type == AVMEDIA_TYPE_AUDIO;
 }
@@ -3420,6 +3422,51 @@ static int mov_write_int8_metadata(AVFormatContext *s, AVIOContext *pb,
     return size;
 }
 
+static int mov_write_covr(AVIOContext *pb, AVFormatContext *s)
+{
+    MOVMuxContext *mov = s->priv_data;
+    int64_t pos = 0;
+    int i, type;
+
+    for (i = 0; i < s->nb_streams; i++) {
+        MOVTrack *trk = &mov->tracks[i];
+        AVStream *st = s->streams[i];
+
+        if (!(st->disposition & AV_DISPOSITION_ATTACHED_PIC) ||
+            trk->cover_image.size <= 0)
+            continue;
+
+        switch (st->codecpar->codec_id) {
+        case AV_CODEC_ID_MJPEG:
+            type = 0xD;
+            break;
+        case AV_CODEC_ID_PNG:
+            type = 0xE;
+            break;
+        case AV_CODEC_ID_BMP:
+            type = 0x1B;
+            break;
+        default:
+            av_log(s, AV_LOG_ERROR, "unsupported codec_id (0x%x) for cover",
+                   st->codecpar->codec_id);
+            continue;
+        }
+
+        if (!pos) {
+            pos = avio_tell(pb);
+            avio_wb32(pb, 0);
+            ffio_wfourcc(pb, "covr");
+        }
+        avio_wb32(pb, 16 + trk->cover_image.size);
+        ffio_wfourcc(pb, "data");
+        avio_wb32(pb, type);
+        avio_wb32(pb , 0);
+        avio_write(pb, trk->cover_image.data, trk->cover_image.size);
+    }
+
+    return pos ? update_size(pb, pos) : 0;
+}
+
 /* iTunes meta data list */
 static int mov_write_ilst_tag(AVIOContext *pb, MOVMuxContext *mov,
                               AVFormatContext *s)
@@ -3454,6 +3501,7 @@ static int mov_write_ilst_tag(AVIOContext *pb, MOVMuxContext *mov,
     mov_write_int8_metadata  (s, pb, "hdvd",    "hd_video",  1);
     mov_write_int8_metadata  (s, pb, "pgap",    "gapless_playback",1);
     mov_write_int8_metadata  (s, pb, "cpil",    "compilation", 1);
+    mov_write_covr(pb, s);
     mov_write_trkn_tag(pb, mov, s, 0); // track number
     mov_write_trkn_tag(pb, mov, s, 1); // disc number
     mov_write_tmpo_tag(pb, s);
@@ -3951,6 +3999,8 @@ static int mov_write_isml_manifest(AVIOContext *pb, MOVMuxContext *mov, AVFormat
         } else {
             continue;
         }
+        if (st->disposition & AV_DISPOSITION_ATTACHED_PIC)
+            continue;
 
         props = (AVCPBProperties*)av_stream_get_side_data(track->st, AV_PKT_DATA_CPB_PROPERTIES, NULL);
 
@@ -4564,6 +4614,8 @@ static int mov_write_ftyp_tag(AVIOContext *pb, AVFormatContext *s)
 
     for (i = 0; i < s->nb_streams; i++) {
         AVStream *st = s->streams[i];
+        if (st->disposition & AV_DISPOSITION_ATTACHED_PIC)
+            continue;
         if (st->codecpar->codec_type == AVMEDIA_TYPE_VIDEO)
             has_video = 1;
         if (st->codecpar->codec_id == AV_CODEC_ID_H264)
@@ -4712,6 +4764,8 @@ static int mov_write_identification(AVIOContext *pb, AVFormatContext *s)
         int video_streams_nb = 0, audio_streams_nb = 0, other_streams_nb = 0;
         for (i = 0; i < s->nb_streams; i++) {
             AVStream *st = s->streams[i];
+            if (st->disposition & AV_DISPOSITION_ATTACHED_PIC)
+                continue;
             if (st->codecpar->codec_type == AVMEDIA_TYPE_VIDEO)
                 video_streams_nb++;
             else if (st->codecpar->codec_type == AVMEDIA_TYPE_AUDIO)
@@ -4901,7 +4955,8 @@ static int mov_flush_fragment(AVFormatContext *s, int force)
         int buf_size, moov_size;
 
         for (i = 0; i < mov->nb_streams; i++)
-            if (!mov->tracks[i].entry)
+            if (!mov->tracks[i].entry &&
+                (i >= s->nb_streams || !(s->streams[i]->disposition & AV_DISPOSITION_ATTACHED_PIC)))
                 break;
         /* Don't write the initial moov unless all tracks have data */
         if (i < mov->nb_streams && !force)
@@ -5480,13 +5535,34 @@ static int mov_write_subtitle_end_packet(AVFormatContext *s,
 
 static int mov_write_packet(AVFormatContext *s, AVPacket *pkt)
 {
+    MOVMuxContext *mov = s->priv_data;
+    MOVTrack *trk;
+    AVStream *st;
+
     if (!pkt) {
         mov_flush_fragment(s, 1);
         return 1;
+    }
+
+    st = s->streams[pkt->stream_index];
+    trk = &mov->tracks[pkt->stream_index];
+
+    if (st->disposition & AV_DISPOSITION_ATTACHED_PIC) {
+        int ret;
+
+        if (st->nb_frames >= 1) {
+            if (st->nb_frames == 1)
+                av_log(s, AV_LOG_WARNING, "Got more than one picture in stream %d,"
+                       " ignoring.\n", pkt->stream_index);
+            return 0;
+        }
+
+        if ((ret = av_packet_ref(&trk->cover_image, pkt)) < 0)
+            return ret;
+
+        return 0;
     } else {
         int i;
-        MOVMuxContext *mov = s->priv_data;
-        MOVTrack *trk = &mov->tracks[pkt->stream_index];
 
         if (!pkt->size)
             return mov_write_single_packet(s, pkt); /* Passthrough. */
@@ -5733,7 +5809,8 @@ static void enable_tracks(AVFormatContext *s)
         AVStream *st = s->streams[i];
 
         if (st->codecpar->codec_type <= AVMEDIA_TYPE_UNKNOWN ||
-            st->codecpar->codec_type >= AVMEDIA_TYPE_NB)
+            st->codecpar->codec_type >= AVMEDIA_TYPE_NB ||
+            st->disposition & AV_DISPOSITION_ATTACHED_PIC)
             continue;
 
         if (first[st->codecpar->codec_type] < 0)
@@ -5776,6 +5853,7 @@ static void mov_free(AVFormatContext *s)
             av_freep(&mov->tracks[i].par);
         av_freep(&mov->tracks[i].cluster);
         av_freep(&mov->tracks[i].frag_info);
+        av_packet_unref(&mov->tracks[i].cover_image);
 
         if (mov->tracks[i].vos_len)
             av_freep(&mov->tracks[i].vos_data);
@@ -6081,6 +6159,10 @@ static int mov_init(AVFormatContext *s)
                     av_log(s, AV_LOG_ERROR, "VP9 only supported in MP4.\n");
                     return AVERROR(EINVAL);
                 }
+            } else if (track->par->codec_id == AV_CODEC_ID_AV1) {
+                /* spec is not finished, so forbid for now */
+                av_log(s, AV_LOG_ERROR, "AV1 muxing is currently not supported.\n");
+                return AVERROR_PATCHWELCOME;
             } else if (track->par->codec_id == AV_CODEC_ID_VP8) {
                 /* altref frames handling is not defined in the spec as of version v1.0,
                  * so just forbid muxing VP8 streams altogether until a new version does */

libavformat/movenc.h

@@ -132,6 +132,7 @@ typedef struct MOVTrack {
     uint32_t    default_size;
 
     HintSampleQueue sample_queue;
+    AVPacket cover_image;
 
     AVIOContext *mdat_buf;
     int64_t     data_offset;

libavformat/tls_schannel.c

@@ -413,11 +413,13 @@ static int tls_read(URLContext *h, uint8_t *buf, int len)
 
         ret = ffurl_read(s->tcp, c->enc_buf + c->enc_buf_offset,
                          c->enc_buf_size - c->enc_buf_offset);
-        if (ret < 0) {
+        if (ret == AVERROR_EOF) {
+            c->connection_closed = 1;
+            ret = 0;
+        } else if (ret < 0) {
             av_log(h, AV_LOG_ERROR, "Unable to read from socket\n");
             return ret;
-        } else if (ret == 0)
-            c->connection_closed = 1;
+        }
 
         c->enc_buf_offset += ret;
     }
@@ -515,7 +517,7 @@ cleanup:
     if (ret == 0 && !c->connection_closed)
         ret = AVERROR(EAGAIN);
 
-    return ret < 0 ? ret : 0;
+    return ret < 0 ? ret : AVERROR_EOF;
 }
 
 static int tls_write(URLContext *h, const uint8_t *buf, int len)

libswresample/arm/audio_convert_neon.S

@@ -22,6 +22,7 @@
 #include "libavutil/arm/asm.S"
 
 function swri_oldapi_conv_flt_to_s16_neon, export=1
+_swri_oldapi_conv_flt_to_s16_neon:
         subs            r2,  r2,  #8
         vld1.32         {q0},     [r1,:128]!
         vcvt.s32.f32    q8,  q0,  #31
@@ -66,6 +67,7 @@ function swri_oldapi_conv_flt_to_s16_neon, export=1
 endfunc
 
 function swri_oldapi_conv_fltp_to_s16_2ch_neon, export=1
+_swri_oldapi_conv_fltp_to_s16_2ch_neon:
         ldm             r1,  {r1, r3}
         subs            r2,  r2,  #8
         vld1.32         {q0},     [r1,:128]!
@@ -133,8 +135,8 @@ function swri_oldapi_conv_fltp_to_s16_nch_neon, export=1
         cmp             r3,  #2
         itt             lt
         ldrlt           r1,  [r1]
-        blt             X(swri_oldapi_conv_flt_to_s16_neon)
-        beq             X(swri_oldapi_conv_fltp_to_s16_2ch_neon)
+        blt             _swri_oldapi_conv_flt_to_s16_neon
+        beq             _swri_oldapi_conv_fltp_to_s16_2ch_neon
 
         push            {r4-r8, lr}
         cmp             r3,  #4